CN111546103A - Multipoint synchronous winding and unwinding tool - Google Patents
Multipoint synchronous winding and unwinding tool Download PDFInfo
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- CN111546103A CN111546103A CN202010525773.7A CN202010525773A CN111546103A CN 111546103 A CN111546103 A CN 111546103A CN 202010525773 A CN202010525773 A CN 202010525773A CN 111546103 A CN111546103 A CN 111546103A
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 28
- 238000004804 winding Methods 0.000 title description 2
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 45
- 230000000694 effects Effects 0.000 claims description 11
- 238000013016 damping Methods 0.000 claims description 9
- 239000000956 alloy Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims 2
- 238000000034 method Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010273 cold forging Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/40—Expansion mandrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/064—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding elongated workpieces, e.g. pipes, bars or profiles
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Abstract
The invention relates to a multipoint synchronous retracting and releasing tool which comprises a bidirectional threaded shaft, connecting plates and connecting plates, wherein the connecting plates are movably arranged along the axial direction of the bidirectional threaded shaft, the rotating directions of threads on two sides of the bidirectional threaded shaft are opposite, the two connecting plates are in a group, the two connecting plates are respectively connected to threads on two sides of the bidirectional threaded shaft through thread pairs, the two connecting plates are connected through the connecting plates, supporting pieces and the connecting plates which are sequentially arranged, and the connecting parts of the connecting plates, the connecting plates and the connecting pieces are hinged. The multi-point synchronous take-up and pay-off tool provided in the technical scheme has the advantages of simple structure and convenience in use, and can effectively solve the problems of insufficient supporting force, difficulty in adjustment, poor stability and low size precision of the existing supporting mode.
Description
Technical Field
The invention relates to the technical field of connection fastening, in particular to a multipoint synchronous folding and unfolding tool.
Background
In the cutting process of the pipeline, axial expansion and the gravity action of the inner wall can be caused in the cutting process due to the self characteristics of the pipeline and the accumulation of a large amount of cutting heat, so that the central part is not accurate enough, and the existing method for solving the problem is to clamp the two ends of the pipeline in a clamping and jacking mode; however, although the elastic live center is adopted at the tail end, the problem that the dimensional accuracy of the central part is not high due to the action of gravity because the internal stability of the elastic live center is poor still exists, and the problem that the support in the middle is insufficient and the integral rigidity and the stability are not strong exists. The tensioning mode of the building precast slab in the pouring process is that the building precast slab is supported by an adjustable transverse supporting brace, a transverse rod and an upright rod, but for some regular circular supports or multiple points which are regularly distributed, synchronous size and high specification strength are required in the manufacturing process. Therefore, it is necessary to design a new technical solution to comprehensively solve the problems in the prior art.
Disclosure of Invention
The invention aims to provide a multipoint synchronous retracting and releasing tool which is simple in structure and convenient to use and can effectively solve the problems of insufficient supporting force, inconvenience in adjustment, poor stability and low size precision of the existing supporting mode.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a frock is receive and release in step to multiple spot, includes two-way screw shaft, connection piece and the connection pad that sets up along two-way screw shaft axial activity, the screw thread direction of rotation of two-way screw shaft both sides is opposite, two connection pads are a set of, and two connection pads are connected respectively on the both sides screw thread of two-way screw shaft through screw thread pair, link to each other through connection piece, support piece and the connection piece of arranging according to the preface between two connection pads, the department of meeting of connection piece and connection pad and support piece is hinged joint.
The technical scheme is that the head end of the bidirectional threaded shaft is provided with an outer square column, the tail end of the bidirectional threaded shaft is provided with an inner square hole matched with the outer square column, and pin holes for inserting pins are formed in the column body of the outer square column and the hole body of the inner square hole.
The scheme further includes that the connecting disc is a regular polygon, an internal thread hole matched with the thread of the two-way threaded shaft is formed in the center of the connecting disc, connecting grooves are formed in the periphery of the connecting disc along the circumferential direction of the connecting disc at equal intervals, and connecting rods are arranged in the connecting grooves.
The connecting rod is characterized in that two ends of the connecting rod are cylindrical sections, the cross section of the middle section of the connecting rod is in a track-type elliptical shape, and two rectangular surfaces of the track-type elliptical shape are parallel to the thickness direction of the connecting disc.
The arc-shaped connecting piece is an arc-shaped connecting piece made of high-damping alloy, a connecting column is arranged at the head end of the arc-shaped connecting piece, a connecting clamping groove is arranged at the tail end of the arc-shaped connecting piece, the arc-shaped connecting piece is rotatably arranged in the middle section of the connecting rod through the connecting clamping groove, and the arc-shaped connecting piece is rotatably connected with the support piece through the connecting column.
The support comprises the following embodiments:
one of the two ends of the support piece is hinged to the hinge head, the support hook is semicircular, the protruding side of the support hook is connected to the middle of the hinge head through a hinge lug, and the connecting column of the arc-shaped connecting piece is hinged to the inside of the hinge hole.
And the support piece comprises a support ring and a hinge joint with hinge holes at two ends, the support ring is circular, one side of the support ring is connected to the middle of the hinge joint through a hinge lug, and the connecting column of the arc-shaped connecting piece is hinged in the hinge hole.
The third thing is that the support piece is including supporting the hinge joint that long handle and both ends all set up the hinge hole, it is the arc piece to support long handle, and the protruding side of arc piece is connected on the hinge joint through the hinge lug, the spliced pole of arc connection piece articulate in the hinge hole.
Finally, as a further preferable aspect of the above aspect, the threads on the bidirectional threaded shaft are all triangular threads.
The multipoint synchronous retracting tool provided in the technical scheme is provided with the bidirectional threaded shaft, the connecting plates and the connecting plates, and the threads rotating clockwise and anticlockwise are correspondingly distributed on two sides of the bidirectional threaded shaft, so that when the bidirectional threaded shaft rotates towards a certain direction, the two connecting plates can move oppositely or away from each other, and a retracting and extending conversion mode is realized; by arranging the connecting grooves and the connecting rods on the periphery of the connecting disc of the regular polygon at equal intervals, the coordinated action of multiple points in the axial direction and the axial direction can be realized; in addition, the connecting sheet is made of high-damping material, so that the elastic compensation effect can be realized under the conditions of vibration and impact, and the good component stability is achieved; to solve the problems associated with the background art.
The multipoint synchronous retracting tool is connected by a clamping groove type structure, has a simple structure and convenient operation, can realize synchronous flexible extension and retraction of the device under the elastic compensation effect, has a synchronous retraction function and can realize the tensioning purpose, and effectively improves the integral stability of the structure; finally, under the condition of fixing the size of the component, the invention can realize the adjustment effect in a large range through the rotation of the threads, and can realize multi-point expansion and multi-angle adjustment of the frustum in the circumferential direction and the axial direction.
Drawings
FIG. 1 is a schematic structural diagram of a multipoint synchronous retracting and releasing tool in an embodiment 1 of the invention;
FIG. 2 is a schematic structural view of the supporting member in embodiment 1;
FIG. 3 is a schematic structural diagram of a multipoint synchronous retracting and releasing tool in accordance with embodiment 2 of the present invention;
FIG. 4 is a schematic structural view of the supporting member in embodiment 2;
FIG. 5 is a schematic structural diagram of a multipoint synchronous retracting and releasing tool in accordance with embodiment 3 of the present invention;
FIG. 6 is a schematic structural view of the supporting member according to embodiment 3;
FIG. 7 is a schematic structural view of a bidirectional threaded shaft according to the present invention;
FIG. 8 is a schematic structural view of the connection pad of the present invention;
FIG. 9 is a schematic view of a structure of the connecting sheet of the present invention;
FIG. 10 is a first schematic view showing a state of use in accordance with embodiment 1;
FIG. 11 is a second schematic view showing the use state of embodiment 1;
FIG. 12 is a third schematic view showing the use state of example 1;
FIG. 13 is a schematic view showing the state of use of example 2.
In the figure: 1. a bidirectional threaded shaft; 11. an outer hexagonal square column; 12. an inner hexagonal square hole; 13. a pin hole; 2. connecting sheets; 21. a connecting clamping groove; 22. connecting columns; 3. a connecting disc; 31. connecting grooves; 32. a connecting rod; 321. a cylindrical section; 322. a connecting rod middle section; 4. a support member; 41. a hinge joint; 411. a hinge hole; 42. a hinge ear; 43. a support hook; 44. a support ring; 45. supporting the long handle.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the accompanying examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.
Example 1
The technical scheme adopted by the embodiment is as shown in fig. 1, fig. 2 and fig. 7-12, the multipoint synchronous retracting and releasing tool comprises a bidirectional threaded shaft 1, a connecting piece 2 and a connecting disc 3 which is movably arranged along the axial direction of the bidirectional threaded shaft 1, triangular threads (the triangular threads are mainly used for fastening and rectangular or trapezoidal transmission threads can be adopted if the requirement on the tension force is not high) on two sides of the bidirectional threaded shaft 1 are opposite in rotating direction, the connecting disc 3 is a regular dodecagon, an internal thread hole matched with the threads of the bidirectional threaded shaft 1 is formed in the center of the connecting disc 3, connecting grooves 31 are formed in the periphery of the connecting disc 3 at equal intervals along the circumferential direction of the connecting disc 3, connecting rods 32 are arranged in each connecting groove 31, the connecting discs 3 are in a group, the two connecting discs 3 are respectively connected to the threads on two sides of the bidirectional threaded shaft 1 through thread pairs, and, The supporting piece 4 and the connecting piece 2 are connected, the connecting piece 2 is hinged with the connecting disc 3 and the supporting piece 4, the two-way threaded shaft and the connecting disc are in consistent parameters of central threads, effective spiral connection between the two-way threaded shaft and the connecting disc is guaranteed, and a group of connecting discs can be separated or close to each other under the condition that the two-way threaded shaft is driven to rotate.
Specifically, the head end of the bidirectional threaded shaft 1 is provided with an outer hexagonal square column 11, the tail end of the bidirectional threaded shaft 1 is provided with an inner hexagonal square hole 12 matched with the outer hexagonal square column 11, a column body of the outer hexagonal square column 11 and a hole body of the inner hexagonal square hole 12 are both provided with a pin hole 13 for inserting a pin, and the pin hole and the pin are matched to play two roles, as shown in fig. 12, under the condition that the two bidirectional threaded shafts are connected end to end, the two bidirectional threaded shafts can be tightly matched without disjointing through the action of the pin; under the condition that end-to-end connection is not carried out, the pins are normally put in, so that the connecting disc can be prevented from being separated from the bidirectional threaded shaft; through the internal hexagonal connection of head end and tail end, both can realize the axial extension of two-way screw shaft, also can realize the torsion transmission on the circumferencial direction.
Referring to fig. 8 and 9, the two ends of the connecting rod 32 are cylindrical sections 321, the cross section of the connecting rod middle section 322 is a track-type ellipse, and two rectangular surfaces of the track-type ellipse are parallel to the thickness direction of the connecting disc 3; the connecting piece 2 is an arc-shaped connecting piece made of high-damping alloy, has a high-damping effect, and can realize energy absorption under the conditions of impact and external force load, so that the impact force on a workpiece is reduced, and a protective effect is achieved; the head end of arc connection piece is provided with spliced pole 22, the tail end is provided with connecting slot 21, the arc connection piece passes through connecting slot 21 and rotates the setting in connecting rod middle section 322, because the connecting rod middle section is symmetrical arcwall face and symmetrical rectangular surface, only when symmetrical rectangular surface is relative with connecting slot's opening part, connecting slot could be gone into to the connecting rod card, because connecting slot's opening is seted up in the position of connection piece and the connecting slot department of meeting downside, the connection piece is almost parallel with two-way threaded shaft when the state is gone into to the card promptly, normal support process can not need this state basically, can make the connection piece break away from the state of adjusting well through rotatory two-way threaded shaft after the card is gone into, therefore.
Referring to fig. 1 and 2, the arc-shaped connecting piece is rotatably connected with the support member 4 through the connecting column 22, in this embodiment, the support member 4 includes a support hook 43 and a hinge joint 41 with hinge holes 411 at both ends, the support hook 43 is semicircular, the convex side of the support hook 43 is connected to the middle of the hinge joint 41 through a hinge lug 42, and the connecting column 22 of the arc-shaped connecting piece is hinged in the hinge hole 411 (through a cold forging process or a threaded pin during prefabrication).
Fig. 10 to 12 are schematic views of the use state of the present embodiment, and have a synchronous contraction function, when the bidirectional threaded shaft is rotated in the forward direction, the connecting discs move in opposite directions, and the requirement of pre-tightening force is met according to the requirement of tensioning; when the bidirectional threaded shaft rotates reversely, the connecting discs move back and forth, so that free selection in a maximum and minimum range can be realized; meanwhile, the triangular thread has the characteristic of self-locking and stopping, and the connecting piece acts on the workpiece and can prevent the connecting piece from rotating to play a role in preventing looseness; and finally, the number of the connecting grooves and the number of the connecting rods are set according to the number of polygons of the connecting disc, the connecting grooves and the connecting rods are regular dodecagons in the embodiment, and the number of the connecting grooves and the number of the connecting rods can reach twelve at most when the connecting plates are distributed in a circumferential multi-point mode.
Example 2
The technical scheme adopted by the embodiment is as shown in fig. 3, fig. 4 and fig. 7-9, the multipoint synchronous retracting and releasing tool comprises a bidirectional threaded shaft 1, a connecting piece 2 and a connecting disc 3 which is movably arranged along the axial direction of the bidirectional threaded shaft 1, triangular threads (the triangular threads are mainly used for fastening and rectangular or trapezoidal transmission threads can be adopted if the requirement on the tension force is not high) on two sides of the bidirectional threaded shaft 1 are opposite in rotating direction, the connecting disc 3 is a regular dodecagon, an internal thread hole matched with the threads of the bidirectional threaded shaft 1 is formed in the center of the connecting disc 3, connecting grooves 31 are formed in the periphery of the connecting disc 3 at equal intervals along the circumferential direction of the connecting disc 3, connecting rods 32 are arranged in each connecting groove 31, the connecting discs 3 are in a group, the two connecting discs 3 are respectively connected to the threads on two sides of the bidirectional threaded shaft 1 through thread pairs, and, The supporting piece 4 and the connecting piece 2 are connected, the connecting piece 2 is hinged with the connecting disc 3 and the supporting piece 4, the two-way threaded shaft and the connecting disc are in consistent parameters of central threads, effective spiral connection between the two-way threaded shaft and the connecting disc is guaranteed, and a group of connecting discs can be separated or close to each other under the condition that the two-way threaded shaft is driven to rotate.
Specifically, the head end of the bidirectional threaded shaft 1 is provided with an outer hexagonal square column 11, the tail end of the bidirectional threaded shaft 1 is provided with an inner hexagonal square hole 12 matched with the outer hexagonal square column 11, a column body of the outer hexagonal square column 11 and a hole body of the inner hexagonal square hole 12 are respectively provided with a pin hole 13 for inserting a pin, the pin holes and the pins are matched to play two roles, similar to the effect shown in fig. 12, and under the condition that the two bidirectional threaded shafts are connected end to end, the two bidirectional threaded shafts can be tightly matched without disjointing through the action of the pins; under the condition that end-to-end connection is not carried out, the pins are normally put in, so that the connecting disc can be prevented from being separated from the bidirectional threaded shaft; in addition, the two-way threaded shaft can be axially extended and the torque force transmission in the circumferential direction can be realized by connecting the head end with the tail end in the inner hexagonal mode.
Referring to fig. 8 and 9, the two ends of the connecting rod 32 are cylindrical sections 321, the cross section of the connecting rod middle section 322 is a track-type ellipse, and two rectangular surfaces of the track-type ellipse are parallel to the thickness direction of the connecting disc 3; the connecting piece 2 is an arc-shaped connecting piece made of high-damping alloy, has a high-damping effect, and can realize energy absorption under the conditions of impact and external force load, so that the impact force on a workpiece is reduced, and a protective effect is achieved; the head end of arc connection piece is provided with spliced pole 22, the tail end is provided with connecting slot 21, the arc connection piece passes through connecting slot 21 and rotates the setting in connecting rod middle section 322, because the connecting rod middle section is symmetrical arcwall face and symmetrical rectangular surface, only when symmetrical rectangular surface is relative with connecting slot's opening part, connecting slot could be gone into to the connecting rod card, because connecting slot's opening is seted up in the position of connection piece and the connecting slot department of meeting downside, the connection piece is almost parallel with two-way threaded shaft when the state is gone into to the card promptly, normal support process can not need this state basically, can make the connection piece break away from the state of adjusting well through rotatory two-way threaded shaft after the card is gone into, therefore.
Referring to fig. 3 and 4, the supporting member 4 includes a supporting ring 44 and a hinge head 41 having hinge holes 411 at both ends thereof, the supporting ring 44 is circular, one side of the supporting ring 44 is connected to the middle of the hinge head 41 via a hinge lug 42, and the connecting column 22 of the arc-shaped connecting piece is hinged in the hinge hole 411.
Fig. 13 is a schematic view of a use state of the multipoint synchronous retracting and releasing tool in this embodiment, and the principle and the use method thereof are the same as those in embodiment 1, which can refer to embodiment 1.
Example 3
The technical scheme adopted by the embodiment is shown in figures 5-9, the multipoint synchronous retracting and releasing tool comprises a bidirectional threaded shaft 1, a connecting piece 2 and a connecting disc 3 which is movably arranged along the axial direction of the bidirectional threaded shaft 1, triangular threads (the triangular threads are mainly used for fastening and rectangular or trapezoidal transmission threads can be adopted if the requirement on the tension force is not high) on two sides of the bidirectional threaded shaft 1 are opposite in rotating direction, the connecting disc 3 is a regular dodecagon, an internal thread hole matched with the threads of the bidirectional threaded shaft 1 is formed in the center of the connecting disc 3, connecting grooves 31 are formed in the periphery of the connecting disc 3 at equal intervals along the circumferential direction of the connecting disc 3, connecting rods 32 are arranged in the connecting grooves 31, the connecting discs 3 are in a group, the two connecting discs 3 are respectively connected to the threads on two sides of the bidirectional threaded shaft 1 through thread pairs, and the connecting piece 2, The supporting piece 4 and the connecting piece 2 are connected, the connecting piece 2 is hinged with the connecting disc 3 and the supporting piece 4, the two-way threaded shaft and the connecting disc are in consistent parameters of central threads, effective spiral connection between the two-way threaded shaft and the connecting disc is guaranteed, and a group of connecting discs can be separated or close to each other under the condition that the two-way threaded shaft is driven to rotate.
Specifically, the head end of the bidirectional threaded shaft 1 is provided with an outer hexagonal square column 11, the tail end of the bidirectional threaded shaft 1 is provided with an inner hexagonal square hole 12 matched with the outer hexagonal square column 11, a column body of the outer hexagonal square column 11 and a hole body of the inner hexagonal square hole 12 are respectively provided with a pin hole 13 for inserting a pin, the pin holes and the pins are matched to play two roles, similar to the effect shown in fig. 12, and under the condition that the two bidirectional threaded shafts are connected end to end, the two bidirectional threaded shafts can be tightly matched without disjointing through the action of the pins; under the condition that end-to-end connection is not carried out, the pins are normally put in, so that the connecting disc can be prevented from being separated from the bidirectional threaded shaft; in addition, the two-way threaded shaft can be axially extended and the torque force transmission in the circumferential direction can be realized by connecting the head end with the tail end in the inner hexagonal mode.
Referring to fig. 8 and 9, the two ends of the connecting rod 32 are cylindrical sections 321, the cross section of the connecting rod middle section 322 is a track-type ellipse, and two rectangular surfaces of the track-type ellipse are parallel to the thickness direction of the connecting disc 3; the connecting piece 2 is an arc-shaped connecting piece made of high-damping alloy, has a high-damping effect, and can realize energy absorption under the conditions of impact and external force load, so that the impact force on a workpiece is reduced, and a protective effect is achieved; the head end of arc connection piece is provided with spliced pole 22, the tail end is provided with connecting slot 21, the arc connection piece passes through connecting slot 21 and rotates the setting in connecting rod middle section 322, because the connecting rod middle section is symmetrical arcwall face and symmetrical rectangular surface, only when symmetrical rectangular surface is relative with connecting slot's opening part, connecting slot could be gone into to the connecting rod card, because connecting slot's opening is seted up in the position of connection piece and the connecting slot department of meeting downside, the connection piece is almost parallel with two-way threaded shaft when the state is gone into to the card promptly, normal support process can not need this state basically, can make the connection piece break away from the symptomatic state through rotatory two-way threaded shaft after the card is gone into, therefore can reliably use.
Referring to fig. 5 and 6, the supporting member 4 includes a supporting long handle 45 and a hinge joint 41 (which may also be a hinge rod) having hinge holes 411 at both ends, the supporting long handle 45 is an arc-shaped piece, the convex side of the arc-shaped piece is connected to the hinge joint 41 through a hinge lug 42, and the connecting column 22 of the arc-shaped connecting piece is hinged in the hinge hole 411.
The multipoint synchronous retracting tool of the embodiment can realize the taper effect as shown in fig. 5 due to the fact that the supporting piece is provided with the long hinged rod, and can be used for supporting some special-shaped workpieces.
The present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent changes and substitutions without departing from the principle of the present invention after learning the content of the present invention, and these equivalent changes and substitutions should be considered as belonging to the protection scope of the present invention.
Claims (9)
1. The utility model provides a frock is receive and release in step to multiple spot which characterized in that: including two-way screw shaft, connection piece and the connection pad that sets up along two-way screw shaft axial activity, the screw thread direction of rotation of two-way screw shaft both sides is opposite, two connection pads are a set of, and two connection pads are connected on the both sides screw thread of two-way screw shaft through screw thread pair respectively, link to each other through connection piece, support piece and the connection piece of arranging according to the preface between two connection pads, the department of meeting of connection piece and connection pad and support piece is hinged joint.
2. The multipoint synchronous collecting and releasing tool according to claim 1, characterized in that: the head end of two-way threaded shaft is provided with the outside square column, and the tail end of two-way threaded shaft is provided with the interior square hole with outside square column looks adaptation, all be provided with the pinhole that is used for inserting the pin on the shaft of the column body of outside square column and the hole body in interior square hole.
3. The multipoint synchronous collecting and releasing tool according to claim 1, characterized in that: the connection pad is regular polygon, and the central point of connection pad puts the internal thread hole that is provided with two-way threaded shaft screw thread looks adaptation, and the periphery of connection pad sets up the spread groove along its circumference equidistance interval, all be provided with the connecting rod in the spread groove.
4. The multipoint synchronous collecting and releasing tool according to claim 3, characterized in that: the two ends of the connecting rod are cylindrical sections, the cross section of the middle section of the connecting rod is in a track-type elliptical shape, and the two rectangular surfaces of the track-type elliptical shape are parallel to the thickness direction of the connecting disc.
5. The multipoint synchronous collecting and releasing tool according to claim 1 or 4, characterized in that: the connecting piece is an arc-shaped connecting piece made of high-damping alloy, the head end of the arc-shaped connecting piece is provided with a connecting column, the tail end of the arc-shaped connecting piece is provided with a connecting clamping groove, the arc-shaped connecting piece is rotatably arranged in the middle section of the connecting rod through the connecting clamping groove, and the arc-shaped connecting piece is rotatably connected with the support piece through the connecting column.
6. The multipoint synchronous collecting and releasing tool according to claim 5, characterized in that: the support piece includes that support hook and both ends all set up the hinge joint of hinge hole, support hook is semi-circular, and the protruding side of support hook is passed through the hinge lug and is connected at the middle part of hinge joint, the spliced pole of arc connection piece articulate in the hinge hole.
7. The multipoint synchronous collecting and releasing tool according to claim 5, characterized in that: the support piece comprises a support ring and a hinge joint with hinge holes at two ends, the support ring is circular, one side of the support ring is connected to the middle of the hinge joint through a hinge lug, and a connecting column of the arc-shaped connecting piece is hinged in the hinge holes.
8. The multipoint synchronous collecting and releasing tool according to claim 5, characterized in that: the support piece is including supporting the hinge joint that long handle and both ends all set up the hinge hole, support long handle and be the arc piece, the protruding side of arc piece is connected on the hinge joint through the hinge lug, the spliced pole of arc connection piece articulate in the hinge hole.
9. The multipoint synchronous collecting and releasing tool according to claim 1, characterized in that: and the threads on the bidirectional threaded shaft are triangular threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010525773.7A CN111546103A (en) | 2020-06-10 | 2020-06-10 | Multipoint synchronous winding and unwinding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010525773.7A CN111546103A (en) | 2020-06-10 | 2020-06-10 | Multipoint synchronous winding and unwinding tool |
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| Publication Number | Publication Date |
|---|---|
| CN111546103A true CN111546103A (en) | 2020-08-18 |
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| CN202010525773.7A Pending CN111546103A (en) | 2020-06-10 | 2020-06-10 | Multipoint synchronous winding and unwinding tool |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201940836U (en) * | 2011-03-10 | 2011-08-24 | 上海三一精机有限公司 | Bidirectional centering clamping device |
| CN106670852A (en) * | 2017-01-20 | 2017-05-17 | 浙江大学 | Internal supporting and supporting taper adjustable fixture for machine tool |
| CN108188439A (en) * | 2017-12-25 | 2018-06-22 | 全椒县新华机械有限责任公司 | A kind of equipment for oil pipe drilling |
| CN109277841A (en) * | 2018-09-22 | 2019-01-29 | 中船澄西船舶修造有限公司 | A kind of thin-wall tube inner support tooling |
| CN110449906A (en) * | 2019-08-23 | 2019-11-15 | 和县隆盛精密机械有限公司 | A kind of High-precision vehicle milling machining center |
| CN209664852U (en) * | 2018-11-02 | 2019-11-22 | 常州天山重工机械有限公司 | A kind of tooling that can prevent the deformation of thin wall shaft external member Precision Machining |
| CN110948015A (en) * | 2019-12-30 | 2020-04-03 | 王云 | Pipeline perforating device for building engineering |
| CN210435397U (en) * | 2019-07-11 | 2020-05-01 | 林少忠 | Device for machining cylindrical parts |
| CN212311467U (en) * | 2020-06-10 | 2021-01-08 | 扬州工业职业技术学院 | Multipoint synchronous winding and unwinding tool |
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| CN106670852A (en) * | 2017-01-20 | 2017-05-17 | 浙江大学 | Internal supporting and supporting taper adjustable fixture for machine tool |
| CN108188439A (en) * | 2017-12-25 | 2018-06-22 | 全椒县新华机械有限责任公司 | A kind of equipment for oil pipe drilling |
| CN109277841A (en) * | 2018-09-22 | 2019-01-29 | 中船澄西船舶修造有限公司 | A kind of thin-wall tube inner support tooling |
| CN209664852U (en) * | 2018-11-02 | 2019-11-22 | 常州天山重工机械有限公司 | A kind of tooling that can prevent the deformation of thin wall shaft external member Precision Machining |
| CN210435397U (en) * | 2019-07-11 | 2020-05-01 | 林少忠 | Device for machining cylindrical parts |
| CN110449906A (en) * | 2019-08-23 | 2019-11-15 | 和县隆盛精密机械有限公司 | A kind of High-precision vehicle milling machining center |
| CN110948015A (en) * | 2019-12-30 | 2020-04-03 | 王云 | Pipeline perforating device for building engineering |
| CN212311467U (en) * | 2020-06-10 | 2021-01-08 | 扬州工业职业技术学院 | Multipoint synchronous winding and unwinding tool |
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